TD Firstone 5 (Alpha 1)

Description
A Tower Defense map made for the new Tower Defence Mod made by Visiteur.

[*] Changelog:
- fixed exploit allowing to kill a tower
- fixed dx80 invisible water
- added a platform at the end of the map
- medic boss is now more resistant to knock-back, with less HP
- the demoman wave with the healthpack is now made of heavies and is harder
- fly spy waves harder to knock-back, with less hp
- fixed invisible ammo pack at the beginning
- fixed a little modeling error on bridges
- fixed exploit allowing to build on the path/CP

This is the last map before alpha 2! A new announcement should be posted soon in the steam group.